Material Drying
4 조회수
Insufficient Welding/Fusion Strength of general purpose polystyrene Products
문제 현상
After the products are joined by hot plate welding, ultrasonic welding, etc., the welding strength is insufficient, and they break from the weld when stressed.
원인 분석
（1）The welding temperature is low, and the material is not fully melted and fused
（2）The welding pressure is insufficient or the time is too short
（3）The welding surface is contaminated (oil, dust, etc.)
（4）The material contains moisture or additives affect the welding
（5）The welding surface is uneven, and the contact area is insufficient
해결 방법
（1）Optimize the welding temperature to the suitable range of general purpose polystyrene
（2）Increase the welding pressure and time
（3）Clean the welding surface before welding
（4）Fully dry the raw material and reduce the additive dosage
（5）Ensure the welding surface is flat
핵심 요약
The welding strength is determined by the melt fusion quality.
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